Wanhao Box 2 is drying and storing box for filaments. Fits most 500 – 1 kg spools of filaments. Touch screen control where you set temperature and drying time.You can also monitor the humidity. Function to measure how much filament is left. Enter the empty spool weight and filament density – the Wanhao Box 2 tells you how many meters of filament you have left. Finally, you can dare to use the last meters of your spool! 4 filament feeding ports 1.75 – 3.00 mm Auto humidity-controlled storage with digital indicator Adjustable heating up to 60° Perfect for Nylon, ABS, TPU, PVA etc.. Accurate weight system – let you know how many meters of filament you have left LED function light- visible at night Touch screen control – Easy to operate Auto security system – stops Recommended drying time for filaments: Materials Dryer Temp Drying Time PLA 45℃(113℉) > 4h ABS 60℃(140℉) > 2h PETG 65℃(149℉) > 2h Nylon 70℃(158℉) > 12h Dessicant 65℃(149℉) > 3h Time can be longer if filament have more moisture from beginning. Brand Name WANHAO BOX2 Maximum Capacity Φ 23 cm * 9 cm wide Rated Power AC 100-240V~ 50/60Hz Power Output 12V 5A Drying Power 50W Maximum Temperature 80℃ Weighing Power 0.1W Weighing Load 3KG Consumable Wire Diameter 1.75/2.85/3.0 MM Packing Size 39.5*27*42 CM Product Size 30*17*32.5 CM